Xylem photoLab 6600 UV-VIS - Manual (Page 157)

photoLab
®
6600 UV-VIS Technical data
157 ba75848e01 08/2009
7 Technical data
7.1 Measurement characteristics
Measuring principle Single-beam spectrophotometer
Light source Lamp type Xenon flashlamp
Durability 5 x 10
8
flashes, corresponding to at least
13000 h in permanent operation
Monochromator Type Grating monochromator with step motor
Wavelength range 190 - 1100 nm
Max. scan speed approx. 3300 nm/min
Wavelengths calibration Automatic
Accuracy ± 1 nm
Reproducibility ± 0.5 nm
(checkable, e.g. with holmium oxide filter)
Resolution 1 nm
Spectral band width 4 nm
Photometric
measurement
Light sensor Photo diode
Measuring range A = -3.300 to A = +3.300
Linearity < 1 % for A
≤ 2.000
in the range 340 to 900 nm
Accuracy * – 0.003 A for A < 0.600
– 0.5 % of the reading for 0.600
≤A≤ 2.000
Reproducibility * ± 0.002 at A = 1.000
Resolution
Δ
A = 0.001
Scattered light < 0.1 % transmission at 340 and 408 nm
* in the range 200nm ... 1000nm